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Personne àcontacter Ms. cao
zhongshangRD., Shanghai, Shanghai
Empirical Formula:C*4H*2O3 Molecular Weight: **8.*5 CAS NO. : [*******7] Appearance: Pale yellow crystalline powder Assay: *9.0% min Melting range: *2.***4.5&#**9;c Loss on drying: 0.*0%max Residue on ignition: 0.*0%min E(1.0%, 1cm): **0~**0 Absorpotion Spoctrum UV(Ethamol): **8nm Packing&storage: *5kgs net in fiber cardboard drums lined with plastic bags. Preserve in tight, light-resistant containers. Avoid exposure to excessive heat. Usage: Ultraviolet light absorber, especially in cosmetic, paint& pkastics
